JP2010055678A - 光ディスク装置 - Google Patents

光ディスク装置 Download PDF

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Publication number
JP2010055678A
JP2010055678A JP2008218448A JP2008218448A JP2010055678A JP 2010055678 A JP2010055678 A JP 2010055678A JP 2008218448 A JP2008218448 A JP 2008218448A JP 2008218448 A JP2008218448 A JP 2008218448A JP 2010055678 A JP2010055678 A JP 2010055678A
Authority
JP
Japan
Prior art keywords
data
optical disk
area
focus balance
recorded
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2008218448A
Other languages
English (en)
Japanese (ja)
Inventor
Masaki Amano
政規 天野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi LG Data Storage Inc
Original Assignee
Hitachi LG Data Storage Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi LG Data Storage Inc filed Critical Hitachi LG Data Storage Inc
Priority to JP2008218448A priority Critical patent/JP2010055678A/ja
Priority to CN200910130761A priority patent/CN101661759A/zh
Priority to US12/429,027 priority patent/US20100054094A1/en
Publication of JP2010055678A publication Critical patent/JP2010055678A/ja
Pending legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0945—Methods for initialising servos, start-up sequences
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
    • G11B7/1267—Power calibration

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
JP2008218448A 2008-08-27 2008-08-27 光ディスク装置 Pending JP2010055678A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2008218448A JP2010055678A (ja) 2008-08-27 2008-08-27 光ディスク装置
CN200910130761A CN101661759A (zh) 2008-08-27 2009-02-27 光盘装置
US12/429,027 US20100054094A1 (en) 2008-08-27 2009-04-23 Optical Disc Drive

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2008218448A JP2010055678A (ja) 2008-08-27 2008-08-27 光ディスク装置

Publications (1)

Publication Number Publication Date
JP2010055678A true JP2010055678A (ja) 2010-03-11

Family

ID=41725287

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2008218448A Pending JP2010055678A (ja) 2008-08-27 2008-08-27 光ディスク装置

Country Status (3)

Country Link
US (1) US20100054094A1 (zh)
JP (1) JP2010055678A (zh)
CN (1) CN101661759A (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013030252A (ja) * 2011-07-29 2013-02-07 Hitachi Consumer Electronics Co Ltd データ記録再生装置およびデータライブラリ装置
JP2014160523A (ja) * 2013-02-20 2014-09-04 Funai Electric Co Ltd 光ディスク装置、及びイコライザ調整方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5396420B2 (ja) * 2011-03-24 2014-01-22 株式会社ソニー・コンピュータエンタテインメント 光ディスク装置
JP5928154B2 (ja) * 2012-05-22 2016-06-01 船井電機株式会社 光ディスク装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006018881A (ja) * 2004-06-30 2006-01-19 Pioneer Electronic Corp 情報記録装置、情報記録方法及び情報記録プログラム
JP4045453B2 (ja) * 2005-02-02 2008-02-13 船井電機株式会社 ディスク装置及びその制御方法
JP4676240B2 (ja) * 2005-04-25 2011-04-27 株式会社日立製作所 光ディスク装置、光ディスク装置のフォーカスオフセット及び記録パワー調整方法並びに光ディスク装置のフォーカスオフセット及び記録パワーの調整用プログラム
KR20070032449A (ko) * 2005-09-16 2007-03-22 삼성전자주식회사 광기록재생장치 및 그 재생 파라미터 조정방법

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013030252A (ja) * 2011-07-29 2013-02-07 Hitachi Consumer Electronics Co Ltd データ記録再生装置およびデータライブラリ装置
JP2014160523A (ja) * 2013-02-20 2014-09-04 Funai Electric Co Ltd 光ディスク装置、及びイコライザ調整方法

Also Published As

Publication number Publication date
US20100054094A1 (en) 2010-03-04
CN101661759A (zh) 2010-03-03

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